The 4M TSOP ADAPTER (p/n INN-8448-16) and the 16M TSOP ADAPTER enable SIMCHECK to test the Thin Small Outline Package DRAM chips. The 4M TSOP ADAPTER tests the 26-pin 300m 4Mx1 and 1Mx4 chips, and the 16M TSOP ADAPTER tests the 28-pin 400m 16Mx1 and 4Mx4 chips, and it distinguishes between the 4K and 2K refresh modes which are now available for the 4Mx4 chips. Both adapters can be special ordered for the reverse wiring option which is popular with TSOPs.
Connect the adapter to your SIMCHECK SIP ZIF (green) socket when SIMCHECK is either ON or OFF.
HANDLING THE TSOP CHIPS: Both adapters are equipped with two ZIF sockets. The left socket is for the x1 configuration, the right socket is for the x4 configuration. Since the 4M TSOP are 300 mils wide and the 16M are 400 mils, you can see why it was necessary to make two different adapters. Pin 1 of the TSOP chip is typically marked with a dot. Alternatively, the short edge of the package which is near pin 1 may be marked with a semi-circle tab. Place the chip in the corresponding socket so that pin 1 points away from you. Also, make sure that the markings on the top of the chip face up (this is called "LIVE BUG" insertion). Insert the chip carefully at the bottom of the ZIF socket and press and release both sides of the black socket top to lock in the tested chip. After the test, press the black socket top to remove the chip from the socket.
If you are not sure whether to use the x1 or the x4 socket, you can safely try either socket. If you have inserted a x1 into the x4 socket (or vice versa), SIMCHECK will protect your chip by immediately stopping the test with a "NO MEMORY" error.
Once the TSOP chip is inserted, press F1 to start the test. The test procedure is exactly the same as our SINGLE CHIP ADAPTERS.
Required EPROM Version: 2.34 or above.
